#2D78B2#2D78B2

#2D78B2 is a mid, moderate cyan. Relative luminance 0.172; OKLCH L 55.4% C 0.116 H 245.7°. Best body text is #FFFFFF at 4.73:1 contrast (WCAG AA passes).

Color values

HEX	#2D78B2
RGB	rgb(45, 120, 178)
HSL	hsl(206, 60%, 44%)
HSV	hsv(206, 75%, 70%)
CMYK	cmyk(74.7%, 32.6%, 0%, 30.2%)
CIE-LAB	lab(48.52, -2.98, -37.30)
CIE-LCH	lch(48.52, 37.41, 265.43°)
OKLab	oklab(55.41% -0.0478 -0.1058)
OKLCH	oklch(55.41% 0.116 245.7)
XYZ	xyz(15.8315, 17.2034, 44.5971)
Luminance	0.1721 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D78B2 #B2672D

analogous

#2DB2A9 #2D78B2 #2D36B2

triadic

#2D78B2 #B22D78 #78B22D

tetradic

#2D78B2 #A92DB2 #B2672D #36B22D

square

#2D78B2 #A92DB2 #B2672D #36B22D

split-complementary

#2D78B2 #B22D36 #B2A92D

monochromatic

#143650 #215781 #2D78B2 #4B97D1 #7CB3DE

Accessibility & contrast

On white

4.73

#2D78B2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.44

#2D78B2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2D78B2

4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D78B2	#FFFFFF	#000000	##FFFFFF
##2D78B2	1.00	4.73	4.44	4.73
#FFFFFF	4.73	1.00	21.00	1.00
#000000	4.44	21.00	1.00	21.00
##FFFFFF	4.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D7AB4

Deuteranopia (green-blind)

#4B6EB1

Tritanopia (blue-blind)

#00868D

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #2d78b2;
/* rgb */ color: rgb(45, 120, 178);
/* oklch */ color: oklch(55.4% 0.116 245.7);

Tailwind

colors: {
  custom: {
    50: '#789ec9',
    500: '#2d78b2',
    950: '#000000',
  },
}

SCSS

$custom: #2d78b2;
$custom-light: #789ec9;
$custom-dark: #000000;

JSON

{
  "hex": "#2d78b2",
  "rgb": {
    "r": 45,
    "g": 120,
    "b": 178
  },
  "hsl": {
    "h": 206.165,
    "s": 59.641,
    "l": 43.725
  },
  "oklch": {
    "l": 0.55409,
    "c": 0.1161,
    "h": 245.7
  },
  "luminance": 0.17205
}

Semantic roles & 50–950 ramp

primary

#2D78B2

secondary

#C69875

accent

#8A45E3

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #2D78B2

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →